is used while sending a data block

is called when a visu client is

extending FBs. It is used [...] . Always including a [...] the FB is called

extending FBs. It is used [...] including a call of the [...] the FB is called

extending FBs. It is used [...] including a call of the [...] the FB is called

extending FBs. It is used [...] . Always including a [...] the FB is called

extending FBs. It is used [...] including a call of the [...] the FB is called

extending FBs. It is used [...] . Always including a [...] the FB is called

extending FBs. It is used [...] including a call of the [...] the FB is called

extending FBs. It is used [...] . Always including a [...] the FB is called